what is the median of this data set? 21, 42, 63, 84, 105, 126, 147; which measure of spread is most appropriate for this data?; which measure of spread is best for the data in the table?; the table lists the number of pitches seen by a player in 6 games. what is the mean of the data set?; john is collecting data on the number of spots on ladybugs. he records it in this table.; the mean value of her daily expenses is; sharon tracks the number of cupcakes